Hach 2100Q Manuel D'utilisation De Base page 14

Troubleshooting
Refer to the following table for common problem messages or symptoms,
possible causes and corrective actions.
Error/Warning
Close lid and push The lid is open or lid
Read. detection failed.
Low Battery! Battery is low.
ADC Failure! Hardware error causing
reading to fail.
Detector signal too low! Insufficient light on the
180° detector.
Overrange! Turbidity too high- caused
probably by calibrating
with RapidCal
Underrange! The measured
absorbance is below the
calibration range.
Please check the lamp! Signals are too low on the
90° and 180° detector.
Temperature too high! Temperature has
Switch off instrument. exceeded the meter limits
(>60 °C or >140 °F).
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Description Solution
Make sure that the lid is
closed during reading and
re-read.
• Insert new batteries
• Connect USB/power
module if rechargeable
batteries are used
Repeat the reading.
• Check for obstructed
light path.
• Check the lamp.
• Calibrate the upper
range.
™
only.
• Dilute the sample.
Repeat calibration
2100Q: The lamp is
defective. Change the
lamp (refer to
lamp on page 11).
2100Qis: Contact
technical support.
Turn off the meter and let
it cool down.
Error/Warning
RST: Average value!
Confidence level is <
95%
Standard value out of
range. Insert standard
and push Read
ID already in use. Enter
new ID
Error - Security Please
set password before
activating security
Please enter at least one
character.
Password incorrect.
Please retry.
Replace the
Please disconnect the
USB cable from your
computer.
Description
Solids are settling too Select Normal or Signal
slowly. The reading mode Average reading mode.
is not suitable for this
sample.
The reading mode
• Invert the sample
Rapidly Settling Turbidity
several times so that
did not meet the range of
the solids allocate.
≥ 95% confidence.
Repeat the reading
again.
• Switch to the Normal
reading mode if the
sample is stable and
does not have settable
solids.
Used incorrect standard Insert the appropriate
value for the reading. standard and read again.
The Operator or Sample Create a new ID.
ID is unavailable as it is
already assigned.
No password is created. Create a new password.
Password must contain Create a password of at
minimum of one least one character.
character.
Incorrect password was Enter the appropriate
entered. password.
Data storage does not Disconnect the USB
respond while connected cable from the meter and
to the meter and the try sending data again.
computer.
Solution